you respond to active shooters, things that police may not think about. for example, if there is such a situation, keeping things clear so emergency vehicles can get in and out, making sure that whoever is there is going to respond and not wait for the larger tactical teams to arrive. >> certainly something that everybody will be thinking of as a lot of people have travel plans for tomorrow in light of the thanksgiving holiday coming up. pete williams, thank you very much. meantime, the paris prosecutor says they are looking for a third suspect in connection to the paris terror attacks. he was allegedly driving the car that was found abandoned in a paris neighborhood where one of the november 13th shootings happened. want to bring in malcolm nance, an intelligence consultant to the united states government and executive director of the terror asymmetrics project, working on a book titled "defeating isis." this coming at the same time as the president and president hollande speaking to us, the paris prosecutor announced there